M41T0 查看數據表（PDF） - STMicroelectronics
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M41T0 Datasheet PDF : 20 Pages
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M41T0
Table 8. Register Map
Data
Address
D7
D6
D5
D4
D3
0
ST
10 Seconds
1
OF
10 Minutes
2
CEB (1) CB
10 Hours
3
X
X
X
X
X
4
X
X
10 Date
5
X
X
X
10 M.
6
10 Years
7
OUT
0
X
X
X
D2
D1
Seconds
Minutes
Hours
Day
Date
Month
Years
X
X
Function/Range
D0
BCD Format
Seconds
00-59
Minutes
00-59
Century/Hours 0-1/00-23
Day
01-07
Date
01-31
Month
01-12
Year
00-99
X
Control
Keys: ST = STOP Bit
OUT = Output level
X = Don’t care
0 = Must be set to '0.'
CEB = Century Enable Bit
CB = Century Bit
OF = Oscillator Fail Bit
Note: 1. When CEB is set to '1', CB will toggle from '0' to '1' or from '1' to '0' at the turn of the century (dependent upon the initial value set).
When CEB is set to '0', CB will not toggle.
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